aboutsummaryrefslogtreecommitdiff
path: root/src/mainboard/intel/dg41wv/early_init.c
diff options
context:
space:
mode:
authorArthur Heymans <arthur@aheymans.xyz>2019-11-11 21:56:37 +0100
committerPatrick Georgi <pgeorgi@google.com>2019-11-15 18:06:27 +0000
commit7843bd560e65b0a83e99b42bdd58dd6363656c56 (patch)
tree0d411ba99ae94da46d3fccaf09f1208fc812bb6f /src/mainboard/intel/dg41wv/early_init.c
parentc583920a748fb8bd7999142433ad08641b06283d (diff)
nb/intel/x4x: Move to C_ENVIRONMENT_BOOTBLOCK
There is some overlap between things done in bootblock and romstage like setting BARs. Change-Id: Icd1de34c3b5c0f36f2a5249116d1829ee3956f38 Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-on: https://review.coreboot.org/c/coreboot/+/36759 Reviewed-by: Patrick Georgi <pgeorgi@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard/intel/dg41wv/early_init.c')
-rw-r--r--src/mainboard/intel/dg41wv/early_init.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/src/mainboard/intel/dg41wv/early_init.c b/src/mainboard/intel/dg41wv/early_init.c
new file mode 100644
index 0000000000..3cb40955d0
--- /dev/null
+++ b/src/mainboard/intel/dg41wv/early_init.c
@@ -0,0 +1,48 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015 Damien Zammit <damien@zamaudio.com>
+ * Copyright (C) 2017 Arthur Heymans <arthur@aheymans.xyz>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <bootblock_common.h>
+#include <device/pnp_ops.h>
+#include <northbridge/intel/x4x/x4x.h>
+#include <southbridge/intel/i82801gx/i82801gx.h>
+#include <superio/winbond/common/winbond.h>
+#include <superio/winbond/w83627dhg/w83627dhg.h>
+
+#define SERIAL_DEV PNP_DEV(0x2e, W83627DHG_SP1)
+
+void bootblock_mainboard_early_init(void)
+{
+ /* Set GPIOs on superio, enable UART */
+ pnp_enter_ext_func_mode(SERIAL_DEV);
+ pnp_set_logical_device(SERIAL_DEV);
+
+ pnp_write_config(SERIAL_DEV, 0x2c, 0x13);
+
+ pnp_exit_ext_func_mode(SERIAL_DEV);
+
+ winbond_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
+
+ /* IRQ routing */
+ RCBA16(D31IR) = 0x0132;
+ RCBA16(D29IR) = 0x0237;
+}
+
+void mb_get_spd_map(u8 spd_map[4])
+{
+ spd_map[0] = 0x50;
+ spd_map[2] = 0x52;
+}